Ejemplo n.º 1
0
    def __construct_world(self):
        """Creates objects previously loaded from the world xml file.
           
           This function uses the world in ``self.__world``.
           
           All the objects will be created anew, including robots and supervisors.
           All of the user's code is reloaded.
        """
        if self.__world is None:
            return

        helpers.unload_user_modules()

        self.__state = DRAW_ONCE

        self.__robots = []
        self.__obstacles = []
        self.__supervisors = []
        self.__background = []
        self.__trackers = []
        self.__qtree = None

        for thing in self.__world:
            thing_type = thing[0]
            if thing_type == 'robot':
                robot_type, supervisor_type, robot_pose, robot_color = thing[
                    1:5]
                try:
                    # Create robot
                    robot_class = helpers.load_by_name(robot_type, 'robots')
                    robot = robot_class(pose.Pose(robot_pose))
                    if robot_color is not None:
                        robot.set_color(robot_color)
                    elif len(self.__robots) < 8:
                        robot.set_color(self.__nice_colors[len(self.__robots)])

                    # Create supervisor
                    sup_class = helpers.load_by_name(supervisor_type,
                                                     'supervisors')

                    info = robot.get_info()
                    info.color = robot.get_color()
                    supervisor = sup_class(robot.get_pose(), info)
                    supervisor.set_logqueue(self.__log_queue)
                    name = "Robot {}: {}".format(
                        len(self.__robots) + 1, sup_class.__name__)
                    if self.__supervisor_param_cache is not None and \
                       len(self.__supervisor_param_cache) > len(self.__supervisors):
                        supervisor.set_parameters(
                            self.__supervisor_param_cache[len(
                                self.__supervisors)])
                    self._out_queue.put(
                        ("make_param_window",
                         (robot, name, supervisor.get_ui_description())))
                    self.__supervisors.append(supervisor)

                    # append robot after supervisor for the case of exceptions
                    self.__robots.append(robot)

                    # Create trackers
                    self.__trackers.append(
                        simobject.Path(robot.get_pose(), robot))
                    self.__trackers[-1].set_color(robot.get_color())
                except:
                    self.log(
                        "[Simulator.construct_world] Robot creation failed!")
                    raise
                    #raise Exception('[Simulator.construct_world] Unknown robot type!')
            elif thing_type == 'obstacle':
                obstacle_pose, obstacle_coords, obstacle_color = thing[1:4]
                if obstacle_color is None:
                    obstacle_color = 0xFF0000
                self.__obstacles.append(
                    simobject.Polygon(pose.Pose(obstacle_pose),
                                      obstacle_coords, obstacle_color))
            elif thing_type == 'marker':
                obj_pose, obj_coords, obj_color = thing[1:4]
                if obj_color is None:
                    obj_color = 0x00FF00
                self.__background.append(
                    simobject.Polygon(pose.Pose(obj_pose), obj_coords,
                                      obj_color))
            else:
                raise Exception(
                    '[Simulator.construct_world] Unknown object: ' +
                    str(thing_type))

        self.__time = 0.0
        if not self.__robots:
            raise Exception('[Simulator.construct_world] No robot specified!')
        else:
            self.__recalculate_default_zoom()
            if not self.__center_on_robot:
                self.focus_on_world()
            self.__supervisor_param_cache = None
            self.step_simulation()

        self._out_queue.put(('reset', ()))
Ejemplo n.º 2
0
    def __construct_world(self):
        """Creates objects previously loaded from the world xml file.
           
           This function uses the world in ``self.__world``.
           
           All the objects will be created anew, including robots and supervisors.
           All of the user's code is reloaded.
        """
        if self.__world is None:
            return

        helpers.unload_user_modules()

        self.__state = DRAW_ONCE            
            
        if self.__robot is not None:
            del self.__robot
            self.__robot = None
            del self.__supervisor
            self.__supervisor = None
            del self.tracker

        self.__background = []
        
        for thing in self.__world:
            if thing.type == 'robot' and self.__robot is None:
                try:
                    robot_class = helpers.load_by_name(thing.robot.type,'robots')
                    if thing.robot.options is not None:
                        self.__robot = robot_class(thing.robot.pose, options = Struct(thing.robot.options))
                    else:
                        self.__robot = robot_class(thing.robot.pose)
                    self.__robot.set_logqueue(self.__log_queue)
                    if thing.robot.color is not None:
                        self.__robot.set_color(thing.robot.color)
                    else:
                        self.__robot.set_color(self.__nice_colors[0])
                        
                    # Create supervisor
                    sup_class = helpers.load_by_name(thing.supervisor.type,'supervisors')
                    
                    info = self.__robot.get_info()
                    info.color = self.__robot.get_color()
                    if thing.supervisor.options is not None:
                        self.__supervisor = sup_class(thing.robot.pose, info, options = Struct(thing.supervisor.options))
                    else:
                        self.__supervisor = sup_class(thing.robot.pose, info)                        
                    self.__supervisor.set_logqueue(self.__log_queue)
                    name = "Robot {}".format(sup_class.__name__)
                    if self.__supervisor_param_cache is not None:
                        self.__supervisor.set_parameters(self.__supervisor_param_cache)
                    self._out_queue.put(("make_param_window",
                                            (self.__robot, name,
                                             self.__supervisor.get_ui_description())))
                   
                    # Create trackers
                    self.__tracker = simobject.Path(thing.robot.pose,self.__robot.get_color())
                except:
                    self.log("[PCLoop.construct_world] Robot creation failed!")
                    if self.__robot is not None:
                        del self.__robot
                        self.__robot = None
                    self.__supervisor = None
                    gc.collect()
                    raise
                    #raise Exception('[PCLoop.construct_world] Unknown robot type!')
            elif thing.type == 'marker':
                if thing.polygon.color is None:
                    thing.polygon.color = 0x00FF00
                self.__background.append(
                    simobject.Polygon(thing.polygon.pose,
                                      thing.polygon.points,
                                      thing.polygon.color))
            else:
                raise Exception('[PCLoop.construct_world] Unknown object: '
                                + str(thing.type))
                                
        self.__time = 0.0
        if self.__robot is None:
            raise Exception('[PCLoop.construct_world] No robot specified!')
        else:
            self.__recalculate_default_zoom()
            if not self.__center_on_robot:
                self.focus_on_world()
            self.__supervisor_param_cache = None
            self.__state = DRAW_ONCE
            
        self._out_queue.put(('reset',()))
Ejemplo n.º 3
0
    def __construct_world(self):
        """Creates objects previously loaded from the world xml file.
           
           This function uses the world in ``self.__world``.
           
           All the objects will be created anew, including robots and supervisors.
           All of the user's code is reloaded.
        """
        if self.__world is None:
            return

        helpers.unload_user_modules()

        self.__state = DRAW_ONCE            
            
        self.__robots = []
        self.__obstacles = []
        self.__supervisors = []
        self.__background = []
        self.__trackers = []
        self.__qtree = None
        
        for thing in self.__world:
            thing_type = thing[0]
            if thing_type == 'robot':
                robot_type, supervisor_type, robot_pose, robot_color  = thing[1:5]
                try:
                    # Create robot
                    robot_class = helpers.load_by_name(robot_type,'robots')
                    robot = robot_class(pose.Pose(robot_pose))
                    if robot_color is not None:
                        robot.set_color(robot_color)
                    elif len(self.__robots) < 8:
                        robot.set_color(self.__nice_colors[len(self.__robots)])
                        
                    # Create supervisor
                    sup_class = helpers.load_by_name(supervisor_type,'supervisors')
                    
                    info = robot.get_info()
                    info.color = robot.get_color()
                    supervisor = sup_class(robot.get_pose(), info)
                    supervisor.set_logqueue(self.__log_queue)
                    name = "Robot {}: {}".format(len(self.__robots)+1, sup_class.__name__)
                    if self.__supervisor_param_cache is not None and \
                       len(self.__supervisor_param_cache) > len(self.__supervisors):
                        supervisor.set_parameters(self.__supervisor_param_cache[len(self.__supervisors)])
                    self._out_queue.put(("make_param_window",
                                            (robot, name,
                                             supervisor.get_ui_description())))
                    self.__supervisors.append(supervisor)
                    
                    # append robot after supervisor for the case of exceptions
                    self.__robots.append(robot)
                    
                    # Create trackers
                    self.__trackers.append(simobject.Path(robot.get_pose(),robot))
                    self.__trackers[-1].set_color(robot.get_color())
                except:
                    self.log("[Simulator.construct_world] Robot creation failed!")
                    raise
                    #raise Exception('[Simulator.construct_world] Unknown robot type!')
            elif thing_type == 'obstacle':
                obstacle_pose, obstacle_coords, obstacle_color = thing[1:4]
                if obstacle_color is None:
                    obstacle_color = 0xFF0000
                self.__obstacles.append(
                    simobject.Polygon(pose.Pose(obstacle_pose),
                                      obstacle_coords,
                                      obstacle_color))
            elif thing_type == 'marker':
                obj_pose, obj_coords, obj_color = thing[1:4]
                if obj_color is None:
                    obj_color = 0x00FF00
                self.__background.append(
                    simobject.Polygon(pose.Pose(obj_pose),
                                      obj_coords,
                                      obj_color))
            else:
                raise Exception('[Simulator.construct_world] Unknown object: '
                                + str(thing_type))
                                
        self.__time = 0.0
        if not self.__robots:
            raise Exception('[Simulator.construct_world] No robot specified!')
        else:
            self.__recalculate_default_zoom()
            if not self.__center_on_robot:
                self.focus_on_world()
            self.__supervisor_param_cache = None
            self.step_simulation()
            
        self._out_queue.put(('reset',()))
Ejemplo n.º 4
0
    def __construct_world(self):
        """Creates objects previously loaded from the world xml file.
           
           This function uses the world in ``self.__world``.
           
           All the objects will be created anew, including robots and supervisors.
           All of the user's code is reloaded.
        """
        if self.__world is None:
            return

        helpers.unload_user_modules()

        self.__state = DRAW_ONCE            
            
        self.__robots = []
        self.__obstacles = []

        self.__background = []
        self.__trackers = []
        self.__qtree = None
        
        for thing in self.__world:
            if thing.type == 'robot':
                try:
                    # Create robot
                    self.update_robot(thing.robot.type,thing.robot.pose)

                except:
                    self.log("[Simulator.construct_world] Robot creation failed!")
                    raise
                    #raise Exception('[Simulator.construct_world] Unknown robot type!')
            elif thing.type == 'obstacle':
                if thing.polygon.color is None:
                    thing.polygon.color = 0xFF0000
                self.__obstacles.append(
                    simobject.Polygon(thing.polygon.pose,
                                      thing.polygon.points,
                                      thing.polygon.color))
            elif thing.type == 'marker':
                if thing.polygon.color is None:
                    thing.polygon.color = 0x00FF00
                self.__background.append(
                    simobject.Polygon(thing.polygon.pose,
                                      thing.polygon.points,
                                      thing.polygon.color))
            else:
                raise Exception('[Simulator.construct_world] Unknown object: '
                                + str(thing.type))
                                
        self.__time = 0.0
        if not self.__robots:
            raise Exception('[Simulator.construct_world] No robot specified!')
        else:
            self.__recalculate_default_zoom()
            if not self.__center_on_robot:
                self.focus_on_world()
            self.__supervisor_param_cache = None
            self.step_simulation()
            
        self._out_queue.put(('reset',()))